body::after {
  pointer-events: none;
  content: '';
  display: block;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  background-attachment: fixed;
  background-color: #e1e6e1;
  background-image: url('https://file.moyublog.com/d/file/2021-04-24/afb26292791583b1b8809091456767f0.jpg');
  background-repeat: repeat, repeat-x;
  background-size: 128px 128px, cover;
}

.mt-c-body {
  background: #fff;
}